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Linux / UNIX: Encrypt Backup Tape Using Tar & OpenSSL

Mar 31, 2010, 21:33 (0 Talkback[s])

[ Thanks to An Anonymous Reader for this link. ]

"How do I make sure only authorized person access my backups stored on the tape drives (DAT, DLT, LTO-4 etc) under Linux or UNIX operating systems? How do I backup /array22/vol4/home/ to /dev/rmt/5mn or /dev/st0 in encrypted mode?

"You can easily encrypt data to tape using combination of tar and openssl commands. The following is software based solution based upon encryption algorithms supported by openssl tool. Encrypted backup should be used when storing sensitive data on removable media or when storing backups on shared NAS / SAN servers or online backup servers. When using encryption the openssl ask for a password before you can create, view, open, or restore the files included in the backup. This is based upon pipes concept."

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